.head {
    border-bottom: 1px solid #aec7ec;
}

.head-nav li a {
    color: #fff;
}

.head-btn a:first-child {
    color: #fff;
}

.head-nav .active::after {
    content: '';
    display: block;
    width: 100%;
    height: 0px;
    color: #ffffff;
    border-bottom: 2px solid #ffffff;
    position: absolute;
    /* top: 42px; */
}


/* 粒子图canvas背景div */

.particle {
    padding-top: 75px;
    height: 360px;
    box-sizing: border-box;
    background-color: rgba(0, 0, 0, 0.88);
    top: 0;
}

.particle-text {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    text-align: center;
    font-weight: 500;
}

.particle-text h1 {
    font-size: 36px;
    color: #fff;
    line-height: 54px;
    padding-top: 142px;
    font-weight: normal;
}

.particle-text p {
    line-height: 36px;
    color: #fff;
}

.particle-text p:last-child {
    font-size: 16px;
}


/* 主体内容 */

.main {
    margin-top: 30px;
}

.main .name {
    font-size: 16px;
    color: #000;
    line-height: 26px;
    font-weight: bold;
}

.main .name span {
    font-size: 12px;
    color: #999;
}

.main .subscript {
    margin-bottom: 10px;
    width: 16px;
    border: 1px solid #1271ef;
}

.main ul {
    margin-bottom: 18px;
}

.main li {
    width: 356px;
    height: 342px;
    border: 1px solid #f1f1f1;
    box-sizing: border-box;
    padding: 10px;
    margin-right: 20px;
}


/* .main li:last-child(
    margin-right:0px;
) */

.main li img {
    width: 100%;
    margin-bottom: 30px;
}

.main li h3 {
    font-size: 16px;
    color: #181818;
    line-height: 30px;
    font-weight: normal;
}

.main li span {
    font-size: 12px;
    color: #666;
    line-height: 16px;
    /* 将盒子转为弹性伸缩盒子 */
    display: -webkit-box;
    /* 设置文本为垂直排列 */
    -webkit-box-orient: vertical;
    /* 显示的行数 */
    -webkit-line-clamp: 4;
    /* 溢出隐藏 */
    overflow: hidden;
    margin-bottom: 30px;
}

.main li p {
    color: #1271ef;
}


/* 更多伙伴 */

.more li {
    float: left;
    width: 354px;
    height: 120px;
    margin: 0 20px 20px 0;
    text-align: center;
    line-height: 120px;
}

.more li:nth-child(3n) {
    margin-right: 0;
}

.more li img {
    width: 170px;
    height: 40px;
}


/* 楼层 */

.floor {
    position: fixed;
    text-align: center;
    width: 150px;
    left: 50%;
    top: 50%;
    /* margin-left: 500px; */
    transform: translate(580px, -50%);
    line-height: 36px;
    cursor: pointer;
}

.floor p {
    position: relative;
}

.floor .active::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 4px;
    background-color: #1271ef;
    margin: 14px 0 0 -16px;
    /* display: none; */
}